Fastly Announces Both Record Fourth Quarter and Full Year 2025 Financial Results

Record fourth quarter revenue of $172.6 million grew 23% year over year

Record fourth quarter gross margin of 61.4% and record non-GAAP gross margin of 64.0%

Record RPO of $353.8 million grew 55% year over year

Fastly, Inc. (NASDAQ:FSLY), a leading global edge cloud platform, today announced financial results for its fourth quarter and full year ended December 31, 2025.

"Our fourth quarter results mark an inflection in Fastly's growth as we achieved record revenue, gross margin, and operating profit," said Kip Compton, CEO of Fastly. "In 2025 we made significant progress on Fastly's transformation and delivered great results. As we look toward 2026, we anticipate continued momentum, with AI as an increasing tailwind for our business."

For a reconciliation of non-GAAP financial measures to their corresponding GAAP measures, please refer to the reconciliation table at the end of this press release.

Fourth Quarter 2025 Financial Summary

• Total revenue of $172.6 million, representing 23% year-over-year growth. Network services revenue of $130.8 million, representing 19% year-over-year growth. Security revenue of $35.4 million, representing 32% year-over-year growth. Other revenue of $6.4 million, representing 78% year-over-year growth. Network services revenue includes solutions designed to improve performance of websites, apps, APIs, and digital media. Security revenue includes products designed to protect websites, apps, APIs, and users. Other revenue includes Compute and Observability solutions.
• Generated $22.4 million of operating cash flow compared to $5.2 million of operating cash flow in the fourth quarter of 2024. Generated $8.6 million of positive free cash flow compared to $7.9 million of negative free cash flow in the fourth quarter of 2024.
• GAAP gross margin of 61.4%, compared to 53.4% in the fourth quarter of 2024. Non-GAAP gross margin¹ of 64.0%, compared to 57.5% in the fourth quarter of 2024.
• GAAP net loss of $15.5 million, compared to $32.9 million in the fourth quarter of 2024. Non-GAAP net income¹ of $20.1 million, compared to non-GAAP net loss¹ of $2.4 million in the fourth quarter of 2024.
• GAAP net loss per basic and diluted share of $0.10, compared to $0.23 in the fourth quarter of 2024. Non-GAAP net income per basic share¹ of $0.13, compared to non-GAAP net loss per basic share¹ of $0.02 in the fourth quarter of 2024. Non-GAAP net income per diluted share¹ of $0.12, compared to non-GAAP net loss per diluted share¹ of $0.02 in the fourth quarter of 2024.

Full Year 2025 Financial Summary

• Total revenue of $624.0 million, representing 15% year-over-year growth. Network services revenue of $477.8 million, representing 12% year-over-year growth. Security revenue of $125.1 million, representing 21% year-over-year growth. Other revenue of $21.1 million, representing 64% year-over-year growth. Network services revenue includes solutions designed to improve performance of websites, apps, APIs, and digital media. Security revenue includes products designed to protect websites, apps, APIs, and users. Other revenue includes Compute and Observability solutions.
• GAAP gross margin of 57.1%, compared to 54.4% in fiscal 2024. Non-GAAP gross margin of 60.9%, compared to 58.8% in fiscal 2024.
• GAAP net loss of $121.7 million, compared to $158.1 million in fiscal 2024. Non-GAAP net income of $19.7 million, compared to non-GAAP net loss of $12.1 million in fiscal 2024.
• GAAP net loss per basic and diluted share of $0.83, compared to $1.14 in the fiscal 2024. Non-GAAP net income per basic and diluted share¹ of $0.13, compared to non-GAAP net loss per basic and diluted share¹ of $0.09 in fiscal 2024.

Key Metrics

• Remaining Performance Obligations (RPO)⁴ were $354 million, up 55% from $228 million in the fourth quarter of 2024.
• Enterprise customer count² was 628 in the fourth quarter, up 32 from the fourth quarter of 2024.
• Fastly's top ten customers accounted for 34% of revenue in the fourth quarter of 2025 compared to 32% in the fourth quarter of 2024. Revenue from the top ten customers increased 28% year-over-year compared to revenue growth of 20% year-over-year from customers outside the top ten.
• Last 12-month net retention rate (LTM NRR)³ increased to 110% in the fourth quarter from 106% in the third quarter of 2025.

Fourth Quarter Business and Product Highlights

• Raised $180 million in gross proceeds of 0% convertible notes due 2030, including exercise of a $20 million overallotment at a 32.5% conversion premium, and used $149 million to repurchase notes due 2026, significantly improving our liquidity to fund our growth capital needs.
• Expanded our API Security offering with API Inventory, enabling customers to review, catalog and manage intended APIs to quickly identify those needing security attention.
• Released a beta of AI Assistant, a context-aware, in-console helper designed to improve accessibility to Fastly services for less experienced developers, by providing step-by-step guidance and personalized recommendations.
• Extended Custom Dashboards and Alerts to all customers by default, providing deeper, on-demand insights to enable faster decision making and actions without requiring an Observability package.
• Enhanced Adaptive Threat Engine, the core technology behind our DDoS Protection offering to further improve our accuracy, time to mitigate, and our ability to detect and block short-lived, "bursty" attacks.
• Rolled out several Compute performance enhancements, including Early Hints, which speeds up page load times, and a beta C++ SDK to support customers' performance-critical applications.
• Named a 2025 Gartner® Peer Insights™ Customers' Choice for Cloud Web Application and API Protection (WAAP). Fastly received one of the highest overall ratings and is the only vendor to earn this recognition for seven consecutive years.
• Published an AppSec study with IDC, analyzing responses from nearly 1,000 global security and technology leaders revealing a more than 3× improvement in business outcomes from modern application security programs.

A reconciliation of non-GAAP guidance measures to corresponding GAAP measures is not available on a forward-looking basis without unreasonable effort due to the uncertainty of expenses that may be incurred in the future and cannot be reasonably determined or predicted at this time, although it is important to note that these factors could be material to Fastly's future GAAP financial results.

Conference Call Information

Fastly will host an investor conference call to discuss its results at 1:30 p.m. PT / 4:30 p.m. ET on Wednesday, February 11, 2026.

Date: Wednesday, February 11, 2026

Time: 1:30 p.m. PT / 4:30 p.m. ET

Webcast: https://investors.fastly.com

Dial-in: 888-330-2022 (US/CA) or 646-960-0690 (Intl.)

Conf. ID#: 7543239

Please dial in at least 10 minutes prior to the 1:30 p.m. PT start time. A live webcast of the call will be available at https://investors.fastly.com where listeners may log on to the event by selecting the webcast link under the "Quarterly Results" section.

A telephone replay of the conference call will be available at approximately 5:00 p.m. PT, February 11 through February 25, 2026 by dialing 800-770-2030 or 609-800-9909 and entering the passcode 7543239.

About Fastly, Inc.

Fastly's powerful and programmable edge cloud platform helps the world's top brands deliver online experiences that are fast, safe, and engaging through edge compute, delivery, security, and observability offerings that improve site performance, enhance security, and empower innovation at global scale. Compared to other providers, Fastly's powerful, high-performance, and modern platform architecture empowers developers to deliver secure websites and apps with rapid time-to-market and demonstrated, industry-leading cost savings. Organizations around the world trust Fastly to help them upgrade the internet experience, including Reddit, Universal Music Group, and SeatGeek. Learn more about Fastly at https://www.fastly.com, and follow us @fastly.

Forward-Looking Statements

This press release contains "forward-looking" statements that are based on our beliefs and assumptions and on information currently available to us. Forward-looking statements may involve known and unknown risks, uncertainties, and other factors that may cause our actual results, performance, or achievements to be materially different from those expressed or implied by the forward-looking statements. These statements include, but are not limited to, statements regarding our future financial and operating performance and shareholder returns, including our outlook and guidance and ability to improve liquidity; our ability to acquire new customers, expand cross-sell opportunities, and grow market share; our ability to enrich our revenue mix with platform enhancements; the performance of our existing and new platform enhancements; the performance, capabilities, and expectations regarding customer experiences with API Inventory, AI Assistant, Custom Dashboards and alerts, and the Adaptive Threat Engine update for Fastly DDoS Protection; and Fastly's strategies, platform, and business plans. Except as required by law, we assume no obligation to update these forward-looking statements publicly or to update the reasons actual results could differ materially from those anticipated in the forward-looking statements, even if new information becomes available in the future. Important factors that could cause our actual results to differ materially are detailed from time to time in the reports Fastly files with the Securities and Exchange Commission ("SEC"), including in our Quarterly Report on Form 10-Q for the fiscal quarter ended September 30, 2025. Additional information will also be set forth in our Annual Report on Form 10-K for the fiscal year ended December 31, 2025. Copies of reports filed with the SEC are posted on Fastly's website and are available from Fastly without charge.

Use of Non-GAAP Financial Measures

To supplement our consolidated financial statements, which are prepared and presented in accordance with accounting principles generally accepted in the United States ("GAAP"), the Company uses the following non-GAAP measures of financial performance: non-GAAP gross profit, non-GAAP gross margin, non-GAAP operating loss, non-GAAP net income (loss), non-GAAP basic and diluted net income (loss) per common share, non-GAAP research and development, non-GAAP sales and marketing, non-GAAP general and administrative, free cash flow and adjusted EBITDA. The presentation of this additional financial information is not intended to be considered in isolation from, as a substitute for, or superior to, the financial information prepared and presented in accordance with GAAP. These non-GAAP measures have limitations in that they do not reflect all of the amounts associated with our results of operations as determined in accordance with GAAP. In addition, these non-GAAP financial measures may be different from the non-GAAP financial measures used by other companies. These non-GAAP measures should only be used to evaluate our results of operations in conjunction with the corresponding GAAP measures. Management compensates for these limitations by reconciling these non-GAAP financial measures to the most comparable GAAP financial measures within our earnings releases.

Non-GAAP gross profit, non-GAAP gross margin, non-GAAP operating loss, non-GAAP net income (loss) and non-GAAP basic and diluted net loss per common share, non-GAAP research and development, non-GAAP sales and marketing, and non-GAAP general and administrative differ from GAAP in that they exclude stock-based compensation expense, amortization of capitalized stock-based compensation - cost of revenue, amortization of acquired intangible assets, and amortization of debt discount and issuance costs.

Adjusted EBITDA: excludes stock-based compensation expense, amortization of capitalized stock-based compensation - cost of revenue, gain on modification of lease, depreciation and other amortization expenses, amortization of acquired intangible assets, impairment expense, executive transition costs, restructuring charges, interest income, interest expense, including amortization of debt discount and issuance costs, other expense, net, and income taxes.

Amortization of Acquired Intangible Assets: consists of non-cash charges that can be affected by the timing and magnitude of asset purchases and acquisitions. Management considers its operating results without this activity when evaluating its ongoing non-GAAP performance and its adjusted EBITDA performance because these charges are non-cash expenses that can be affected by the timing and magnitude of asset purchases and acquisitions and may not be reflective of our core business, ongoing operating results, or future outlook.

Amortization of Debt Discount and Issuance Costs: consists primarily of amortization expense related to our debt obligations. Management considers its operating results without this activity when evaluating its ongoing non-GAAP net income (loss) performance and its adjusted EBITDA performance because it is not believed by management to be reflective of our core business, ongoing operating results or future outlook. These are included in our total interest expense.

Capital Expenditures: consists of cash used for purchases of property and equipment, net of proceeds from sale of property and equipment, capitalized internal-use software and payments on finance lease obligations, as reflected in our statement of cash flows.

Depreciation and Other Amortization Expense: consists of non-cash charges that can be affected by the timing and magnitude of asset purchases. Management considers its operating results without this activity when evaluating its ongoing adjusted EBITDA performance because these charges are non-cash expenses that can be affected by the timing and magnitude of asset purchases and may not be reflective of our core business, ongoing operating results, or future outlook.

Executive Transition Costs: consists of one-time cash charges recognized with respect to changes in our executive's employment status. Management considers its operating results without this activity when evaluating its ongoing non-GAAP net income (loss) performance and its adjusted EBITDA performance because it is not believed by management to be reflective of our core business, ongoing operating results, or future outlook.

Free Cash Flow: calculated as net cash used in operating activities less purchases of property and equipment, net of proceeds from sale of property and equipment, principal payments of finance lease liabilities, capitalized internal-use software costs and advance payments made related to capital expenditures. Management specifically identifies adjusting items in the reconciliation of GAAP to non-GAAP financial measures. Management considers non-GAAP free cash flow to be a profitability and liquidity measure that provides useful information to management and investors about the amount of cash generated by the business that can possibly be used for investing in Fastly's business and strengthening its balance sheet, but it is not intended to represent the residual cash flow available for discretionary expenditures. The presentation of non-GAAP free cash flow is also not meant to be considered in isolation or as an alternative to cash flows from operating activities as a measure of liquidity.

Gain on Modification of Lease: consists of a one-time non-cash charge recognized with respect to the modification of our leases. Management considers its operating results without this activity when evaluating its ongoing non-GAAP net income (loss) performance and its adjusted EBITDA performance because it is not believed by management to be reflective of our core business, ongoing operating results, or future outlook.

Impairment Expense: consists of charges related to our long-lived assets. Management considers its operating results without this activity when evaluating its ongoing non-GAAP net income (loss) performance and its adjusted EBITDA performance because it is not believed by management to be reflective of our core business, ongoing operating results or future outlook.

Income Taxes: consists primarily of expenses recognized related to state and foreign income taxes. Management considers its operating results without this activity when evaluating its ongoing adjusted EBITDA performance because it is not believed by management to be reflective of our core business, ongoing operating results or future outlook.

Interest Expense: consists primarily of interest expense related to our debt instruments, including amortization of debt discount and issuance costs. Management considers its operating results without this activity when evaluating its ongoing non-GAAP net income (loss) performance and its adjusted EBITDA performance because it is not believed by management to be reflective of our core business, ongoing operating results or future outlook.

Interest Income: consists primarily of interest income related to our marketable securities. Management considers its operating results without this activity when evaluating its ongoing non-GAAP net income (loss) performance and its adjusted EBITDA performance because it is not believed by management to be reflective of our core business, ongoing operating results or future outlook.

Net Gain on Debt Extinguishment: relates to net gain on the partial repurchase of our outstanding convertible debt. Management considers its operating results without this activity when evaluating its ongoing non-GAAP net income (loss) performance and its adjusted EBITDA performance because it is not believed by management to be reflective of our core business, ongoing operating results or future outlook.

Other Expense, Net: consists primarily of foreign currency transaction gains and losses. Management considers its operating results without this activity when evaluating its ongoing adjusted EBITDA performance because it is not believed by management to be reflective of our core business, ongoing operating results or future outlook.

Restructuring Charges: consists primarily of employee-related severance and termination benefits related to management's restructuring plan that resulted in a reduction in our workforce. Management considers its operating results without this activity when evaluating its ongoing non-GAAP net income (loss) performance and its adjusted EBITDA performance because it is not believed by management to be reflective of our core business, ongoing operating results or future outlook.

Stock-Based Compensation Expense: consists of expenses for stock options, restricted stock units, performance awards, restricted stock awards and Employee Stock Purchase Plan ("ESPP") under our equity incentive plans. Although stock-based compensation is an expense for the Company and is viewed as a form of compensation, management considers its operating results without this activity when evaluating its ongoing non-GAAP net income (loss) performance and its adjusted EBITDA performance, primarily because it is a non-cash expense not believed by management to be reflective of our core business, ongoing operating results, or future outlook. In addition, the value of some stock-based instruments is determined using formulas that incorporate variables, such as market volatility, that are beyond our control.

Amortization of Capitalized Stock-Based Compensation - Cost of Revenue: in order to reflect the performance of our core business, ongoing operating results, or future outlook, and to be consistent with the way many investors evaluate our performance and compare our operating results to peer companies, similar to stock-based compensation, management considers it appropriate to exclude amortization of capitalized stock-based compensation from our non-GAAP financial measures.

Management believes these non-GAAP financial measures and adjusted EBITDA serve as useful metrics for our management and investors because they enable a better understanding of the long-term performance of our core business and facilitate comparisons of our operating results over multiple periods and to those of peer companies, and when taken together with the corresponding GAAP financial measures and our reconciliations, enhance investors' overall understanding of our current financial performance.

In the financial tables below, the Company provides a reconciliation of the most comparable GAAP financial measure to the historical non-GAAP financial measures used in this press release.

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Investor Contact

Vernon Essi, Jr.

ir@fastly.com

Media Contact

Stacey Hurwitz

press@fastly.com